SOLUTION: how many ounces of pure silver that cost $8.50 an ounce must be mixed with 100 oz of a silver alloy that cost $5.00 an ounce to make an alloy that cost $6.50 an ounce.

SOLUTION: how many ounces of pure silver that cost $8.50 an ounce must be mixed with 100 oz of a silver alloy that cost $5.00 an ounce to make an alloy that cost $6.50 an ounce.

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Question 847979: how many ounces of pure silver that cost $8.50 an ounce must be mixed with 100 oz of a silver alloy that cost $5.00 an ounce to make an alloy that cost $6.50 an ounce.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Let z = the ounces of silver to add.

See the lesson, http://www.algebra.com/tutors/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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